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Below are monthly rents paid by a sample of students. Rent: 705, 715, 730, 720, 690, 300, 1550, 2190.
a garage door opener has six toggle switches each with three settings up center and down.a in how many ways can the
you are picking a bouquet of 20 flowers for your mother at random from a garden with 25 coneflowers 35 daisies and 42
1 based on the results construct a 95 confidence interval estimate of the percentage of all such pages that have
Your company ships a lot of packages needing quick delivery and short notice. In the past, you have used Speedy Air Delivery Service, but you are beginning to receive complaints from customers who say they are not receiving their packages on time.
use the standard normal table to find the following probabilitiesa pz lt 1.27b pz gt 0.85c pz lt -2.66d p-3.15 lt z lt
hamil coaches ltd say that their long-distance coaches take 5 hours for a particular journey. last week a consumer
While 290 out of 400 in Batavia preferred the same flavor. To test the hypothesis that there was no difference in preferences in the two towns, what is the alternate hypothesis?
A report states that 46% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 3% with 96% confidence?
From her district, consisting of several hundred stores, she selects a random sample of 30 stores. For each store she gathered the following information.
what does it mean to say that your score on test one in statistics was in the 90th percentile?
Assuming the percentages are based on independant simple random samples of 1,000 first year college students drawn each year.
discover card would like to test the hypothesis that the average credit score for an adult in dallas is different from
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